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AMMONIA (ANHYDROU SC) Page 3 of 3 <br /> AMMONIA (ANHYDROUS) ICSC: 0414 <br /> IMPORTANT DATA <br /> PHYSICAL STATE;APPEARANCE: ROUTES OF EXPOSURE: <br /> COLOURLESS COMPRESSED LIQUEFIED GAS, The substance can be absorbed into the body by <br /> WITH PUNGENT ODOUR. inhalation. <br /> PHYSICAL DANGERS: INHALATION RISK: <br /> The gas is lighter than air. A harmful concentration of this gas in the air will be <br /> reached very quickly on loss of containment. <br /> CHEMICAL DANGERS: <br /> Shock-sensitive compounds are formed with mercury, EFFECTS OF SHORT-TERM EXPOSURE: <br /> silver and gold oxides. The substance is a strong The substance is corrosive to the eyes, the skin and <br /> base, it reacts violently with acid and is corrosive. the respiratory tract. Inhalation of high concentrations <br /> Reacts violently with strong oxidants and halogens. may cause lung oedema(see Notes). Rapid <br /> Attacks copper, aluminum,zinc and their alloys. evaporation of the liquid may cause frostbite. <br /> Dissolves in water evolving heat. <br /> OCCUPATIONAL EXPOSURE LIMITS: <br /> TLV:25 ppm as TWA;35 ppm as STEL; (ACGIH <br /> 2004). <br /> MAK: 20 ppm, 14 mg/m3; Peak limitation category: 1 <br /> (2); Pregnancy risk group: C; (DFG 2004). <br /> PHYSICAL PROPERTIES <br /> Boiling point: -3300 Auto-ignition temperature:651°C <br /> Melting point:-7800 Explosive limits, vol%in air: 15-28 <br /> Relative density(water= 1): 0.7 at-33°C <br /> Solubility in water, g/100 ml at 20°C:54 <br /> Vapour pressure, kPa at 2600: 1013 <br /> Relative vapour density (air= 1):0.59 <br /> ENVIRONMENTAL DATA <br /> The substance is very toxic to aquatic organisms. <br /> NOTES <br /> The symptoms of lung oedema often do not become manifest until a few hours have passed and they are <br /> aggravated by physical effort. Rest and medical observation is therefore essential. Immediate administration of <br /> an appropriate inhalation therapy by a doctor or a person authorized by him/her, should be considered. Turn <br /> leaking cylinder with the leak up to prevent escape of gas in liquid state. Card has been partly updated in <br /> October 2005. See sections Occupational Exposure Limits, Emergency Response. <br /> ADDITIONAL INFORMATION <br /> LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS <br /> is responsible for the use which might be made of this information <br /> ©IPCS, CEC 2005 <br /> See Also: <br /> Toxicological. Abbreviations <br /> http://www.inchem.org/documents/icsc/icsc/eicsO4l4.htm 8/31/2011 <br />